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澶氬澶氬叧緋誨湪鏁版嵁搴撲篃鏄瘮杈冨父瑙佺殑錛屽畠閫氳繃涓€涓腑闂磋〃灝嗕袱涓富琛ㄥ叧鑱旇搗鏉ャ€?br>涓嬮潰鏉ョ湅鐪嬪瀵瑰鍏寵仈鍦╪h鐨勫疄鐜幫紝紺轟緥鏄竴涓猆ser鍜孏roup涔嬮棿鐨勫瀵瑰鍏寵仈銆?br>
鍏堟潵鐪嬬湅User綾葷殑鏄犲皠淇℃伅:
many-to-many mapping

鍦ㄥ瀵瑰瀹氫箟涓紝瀹氫箟浜?jiǎn)涓棿琛ㄤ负UserGroups錛屾琛ㄥ彧鏈変袱涓瓧孌碉細(xì)user_id鍜実roup_id錛涚敤浜庡叧鑱擴(kuò)sers鍜孏roups琛ㄣ€?br>
User鐨勫畾涔夛細(xì)

public class User {

   public User() {
   }

   public int UserId
   {
      get { return userId; }
      set { userId = value; }
   }

   public int Name
   {
      get { return name; }
      set { name = value; }
   }

   public IDictionary Groups
   {
      get { return groups; }
      set { groups = value; }
   }

   private int userId;
   private string name;
   private IDictionary groups = new Hashtable();

} //class User

榪欓噷鐢ㄤ竴涓暟鎹瓧鍏窱Dictionary瀵硅鏉ヤ繚瀛樼粍瀵硅薄銆?br>
鍐嶆潵鐪嬬湅Group綾葷殑鏄犲皠淇℃伅錛?br> many

榪欓噷many-to-many鐨勫畾涔夊拰User綾繪槧灝勪俊鎭腑鐨勫樊涓嶅銆?br>
緇勭被鐨勫畾涔夛細(xì)

public class Group {

   public Group() {
   }

   public int GroupId
   {
      get { return groupId; }
      set { groupId = value; }
   }

   public int Name
   {
      get { return name; }
      set { name = value; }
   }

   public int Description
   {
      get { return description; }
      set { description = value; }
   }

   public IDictionary Users
   {
      get { return users; }
      set { users = value; }
   }

   private int groupId;
   private string name;
   private IDictionary users = new Hashtable();

} //class Group

娉ㄦ剰錛氬瀵瑰娌℃湁涓繪涔嬪垎錛屼繚瀛樻椂鐨勪袱杈歸兘瑕乻ave!

涓嬮潰緇欏嚭閮ㄥ垎嫻嬭瘯浠ｇ爜銆?br>

public TestCreate() {
   User user1 = new User();
   user1.Name = "test1";
   User user2 = new User();
   user2.Name = "test2";

   Group group1 = new Group();
   group1.Name = "group1";
   Group group2 = new Group();
   group2.Name = "group2";

   user1.Groups.Add( group2, group2 );
   user2.Groups.Add( group1. group1 );
   group1.Users.Add( user2, user2 );
   group2.Users.Add( user1, user1 );

   ITransactioin trans = null;
   try {
      trans = session.BeginTransaction();

      Session.Save( user1 );
      Session.Save( user2 );
      Session.Save( group1 );
      Session.Save( group2 );

      trans.Commit();
   }
   catch ( Exception e ) {
      if ( trans != null ) trans.Rollback();
      throw e;
   }
   finally {
      session.Close();
   }
}

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鍦ㄥ疄闄呭簲鐢ㄤ腑錛屾垜杈冨皯浣跨敤many-to-many鏄犲皠錛屽綋鐒惰繖瑕佷粠鎬ц兘鍜屽疄闄呴渶瑕佽€冭檻銆?br>鎴戠殑鍋氭硶鏄竴涓猠lements鏉ュ彇寰楁墍鏈夊叧鑱旂殑identity, 鐒跺悗鍦ㄩ渶瑕佺殑鏃跺€欐墠鍔犺澆瀵硅薄錛屾湁鐐圭被浼糽azy, 浣唋azy鏈変竴涓棶棰橈紝灝辨槸session蹇呴』娌℃湁琚噴鏀撅紝榪欏湪鍒嗗眰寮€鍙戜腑杈冮毦鍔炲埌銆?br>
鍘熸枃:http://www.seaskyer.net/Index/Catalog44/182.html

colys 2007-09-19 11:31 鍙戣〃璇勮

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